[1000mp] Loss of RX in Mark V

[leslie]

Hi all

First I need to correct myself, I recently asked for help on locating a
problem with my mark v with regards to it going completely deaf on all bands
main and sub receiver.and now I realise that it is the main receiver that
stops receiving and not the sub receiver, and with a little tap on top of
the casing it comes back to life, can anyone please throw any light on the
matter please and thanks.

Leslie

EI5GJB